lkml.org 
[lkml]   [2005]   [Mar]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: inode cache, dentry cache, buffer heads usage
Badari Pulavarty <pbadari@us.ibm.com> wrote:
>
> On Thu, 2005-03-10 at 17:47, Andrew Morton wrote:
> > Badari Pulavarty <pbadari@us.ibm.com> wrote:
> > >
> > > So, why is these slab cache are not getting purged/shrinked even
> > > under memory pressure ? (I have seen lowmem as low as 6MB). What
> > > can I do to keep the machine healthy ?
> >
> > Tried increasing /proc/sys/vm/vfs_cache_pressure? (That might not be in
> > 2.6.8 though).
> >
> >
>
> Yep. This helped shrink the slabs, but we end up eating up lots of
> the lowmem in Buffers. Is there a way to shrink buffers ?

It would require some patchwork. Why is it a problem? That memory is
reclaimable.

> $ cat /proc/meminfo
> MemTotal: 16377076 kB
> MemFree: 7495824 kB
> Buffers: 1081708 kB
> Cached: 4162492 kB
> SwapCached: 0 kB
> Active: 3660756 kB
> Inactive: 4473476 kB
> HighTotal: 14548952 kB
> HighFree: 7489600 kB
> LowTotal: 1828124 kB
> LowFree: 6224 kB
>

How'd you get 1.8gig of lowmem?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:11    [W:0.032 / U:0.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site